Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 20042082225
07/26/2004 208.93430 2225 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20042082225 07/26/2004 208.93430 2225 [UT] |
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General information Asymptotic parameters Shock front normals Key parameters Wave speed and Mach numbers |
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Shock
speed Theta Bn Mach numbers |
General Information (About, Top)
| Year | 2004 |
| Fractional day of year | 208.934305 |
| Arrival time of shock [seconds of day] | 80723.9 ± 60.0 |
| Shock type | FF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 260.690 |
| Y GSE location of spacecraft [Re] | -6.185 |
| Z GSE location of spacecraft [Re] | 18.290 |
| Upstream plasma points selected for analysis | 0008 |
| Upstream field points selected for analysis | 0008 |
| Downstream plasma points selected for analysis | 0008 |
| Downstream field points selected for analysis | 0008 |
| Minimum chisq/dof for RH8,RH9,RH10 | 11.36, 27.18, 28.70 |
| Event added to database |
Sun Mar 13 01:30:08 2005 |
| Event last processed |
Sun Mar 13 11:52:36 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
24.738 ± 1.103 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -607.6 ± 5.6 | -972.9 ± 24.1 |
| Vy GSE [km/s] | 32.4 ± 6.1 | -43.7 ± 13.4 |
| Vz GSE [km/s] | 17.3 ± 7.3 | 28.3 ± 34.3 |
| Wi [km/s] | 57.3 ± 3.9 | 174.6 ± 17.9 |
| We [km/s] | 1811.0 ± 124.2 | 5520.7 ± 565.4 |
| Ni [n/cc] | 2.0 ± 0.2 | 7.2 ± 1.1 |
| Bx GSE [nT] | 1.5 ± 0.5 | -0.9 ± 2.4 |
| By GSE [nT] | 3.0 ± 1.0 | -11.3 ± 3.7 |
| Bz GSE [nT] | -0.1 ± 0.3 | -9.5 ± 3.2 |
| Plasma Beta |
1.542 ± 1.226 |
2.028 ± 2.197 |
| Sound Speed [km/s] |
73.93 ± 5.07 |
225.38 ± 23.08 |
| Alfven Speed [km/s] |
53.73 ± 15.73 |
127.49 ± 16.07 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.570 ± 0.231 | -0.477 ± 0.253 | 0.669 ± 0.545 | 41.98 ± 14.23 | 219.92 ± 23.11 |
| VC | -0.978 ± 0.009 | -0.205 ± 0.041 | 0.027 ± 0.027 | 1.57 ± 4.82 | 191.83 ± 2.39 |
| MX1 | -0.987 ± 0.052 | 0.158 ± 0.326 | -0.013 ± 0.013 | -0.77 ± 11.63 | 170.93 ± 18.90 |
| MX2 | -0.981 ± 0.017 | -0.001 ± 0.141 | 0.196 ± 0.194 | 11.31 ± 5.11 | 180.04 ± 8.23 |
| MX3 | -0.984 ± 0.015 | 0.015 ± 0.142 | 0.175 ± 0.173 | 10.07 ± 4.87 | 179.11 ± 8.27 |
| RH08 | -0.982 ± 0.003 | -0.183 ± 0.014 | -0.050 ± 0.050 | -2.88 ± 0.37 | 190.53 ± 0.82 |
| RH09 | -0.984 ± 0.012 | -0.165 ± 0.068 | -0.061 ± 0.061 | -3.52 ± 4.03 | 189.53 ± 3.95 |
| RH10 | -0.984 ± 0.012 | -0.165 ± 0.068 | -0.073 ± 0.072 | -4.16 ± 4.03 | 189.53 ± 3.95 |
| Average | -0.931 | -0.128 | 0.109 | 6.699 | 188.927 |
| Median | -0.982 | -0.165 | 0.027 | 1.573 | 189.526 |
| Deviation | 0.146 | 0.190 | 0.249 | 15.464 | 14.500 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 45.6 ± 6.1 | 681.1 ± 63.5 | 3.61 ± 0.79 |
| VC | 50.8 ± 14.4 | 1100.5 ± 52.1 | 3.61 ± 0.79 |
| MX1 | 71.6 ± 14.7 | 1089.9 ± 47.5 | 3.61 ± 0.79 |
| MX2 | 62.3 ± 15.2 | 1094.0 ± 55.7 | 3.61 ± 0.79 |
| MX3 | 63.2 ± 15.2 | 1096.1 ± 54.9 | 3.61 ± 0.79 |
| RH08 | 52.6 ± 13.7 | 1101.5 ± 49.4 | 3.61 ± 0.79 |
| RH09 | 53.6 ± 13.7 | 1103.4 ± 49.0 | 3.61 ± 0.79 |
| RH10 | 53.7 ± 13.6 | 1102.6 ± 48.6 | 3.61 ± 0.79 |
| Average | 56.7 | 1046.1 | 3.61 |
| Median | 53.7 | 1100.5 | 3.61 |
| Deviation | 8.4 | 147.6 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 338.6 ± 5.5 | 31.7 ± 7.3 | 37.6 ± 11.0 | 86.4 ± 8.9 | 11.32 ± 3.26 | 3.95 ± 0.37 |
| VC | 512.1 ± 4.9 | 28.2 ± 6.4 | 33.9 ± 9.9 | 87.7 ± 9.3 | 19.24 ± 5.57 | 5.90 ± 0.63 |
| MX1 | 485.0 ± 6.2 | 13.5 ± 3.0 | 17.0 ± 5.0 | 91.2 ± 10.3 | 37.84 ± 10.56 | 5.38 ± 0.63 |
| MX2 | 494.8 ± 5.1 | 20.2 ± 4.5 | 25.0 ± 7.3 | 89.9 ± 9.9 | 25.88 ± 7.28 | 5.56 ± 0.62 |
| MX3 | 494.3 ± 5.2 | 19.6 ± 4.4 | 24.2 ± 7.1 | 90.0 ± 10.0 | 26.67 ± 7.50 | 5.55 ± 0.63 |
| RH8 | 511.6 ± 5.1 | 27.0 ± 6.2 | 32.6 ± 9.6 | 88.0 ± 9.4 | 20.07 ± 5.79 | 5.87 ± 0.63 |
| RH9 | 511.7 ± 5.2 | 26.3 ± 6.0 | 31.9 ± 9.3 | 88.3 ± 9.5 | 20.62 ± 5.93 | 5.86 ± 0.63 |
| RH10 | 511.5 ± 5.2 | 26.2 ± 6.0 | 31.8 ± 9.3 | 88.3 ± 9.5 | 20.66 ± 5.94 | 5.85 ± 0.63 |
| Average | 482.5 | 24.1 | 29.2 | 88.7 | 22.8 | 5.5 |
| Median | 511.5 | 26.3 | 31.9 | 88.3 | 20.7 | 5.9 |
| Deviation | 59.1 | 5.8 | 6.7 | 1.5 | 7.7 | 0.7 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 86.7 ± 33.6 | 80.9 ± 7.6 | 89.2 ± 11.2 | 246.8 ± 16.7 | 1.07 ± 0.40 | 0.36 ± 0.15 |
| VC | 138.8 ± 23.6 | 72.3 ± 6.6 | 80.5 ± 10.1 | 249.5 ± 16.4 | 1.93 ± 0.37 | 0.56 ± 0.11 |
| MX1 | 136.5 ± 24.1 | 35.0 ± 3.0 | 40.2 ± 5.1 | 257.5 ± 15.8 | 3.93 ± 0.82 | 0.53 ± 0.11 |
| MX2 | 134.4 ± 26.2 | 52.1 ± 4.6 | 59.2 ± 7.5 | 254.5 ± 16.0 | 2.60 ± 0.55 | 0.53 ± 0.12 |
| MX3 | 134.0 ± 25.9 | 50.5 ± 4.4 | 57.5 ± 7.2 | 254.9 ± 16.0 | 2.67 ± 0.56 | 0.53 ± 0.12 |
| RH8 | 139.6 ± 22.7 | 69.3 ± 6.3 | 77.5 ± 9.8 | 250.3 ± 16.3 | 2.03 ± 0.38 | 0.56 ± 0.11 |
| RH9 | 140.2 ± 22.7 | 67.5 ± 6.1 | 75.6 ± 9.5 | 250.9 ± 16.3 | 2.09 ± 0.40 | 0.56 ± 0.11 |
| RH10 | 140.4 ± 22.6 | 67.3 ± 6.1 | 75.4 ± 9.5 | 250.9 ± 16.3 | 2.10 ± 0.40 | 0.56 ± 0.11 |
| Average | 131.3 | 61.8 | 69.4 | 251.9 | 2.3 | 0.5 |
| Median | 138.8 | 67.5 | 75.6 | 250.9 | 2.1 | 0.6 |
| Deviation | 18.2 | 14.8 | 15.8 | 3.5 | 0.8 | 0.1 |
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Key plasma parameters
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Magnetic Field
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